main bearing fitment
12-02-2007, 06:23 PM
#1
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main bearing fitment I got a set of Clevite mains and cracked them open today to install. Installed the uppers into the block and went to put the lowers in the caps to find the offsets on the tabs were wrong causing the bearing to stick out of the side of the cap about an 1/8th of an inch. Plus they are the wrong diameter. It looks like they put the wrong lowers in the kit. Part number on the box is correct. I'm just wondering if anyone else has ever seen this? Anyone happen to have a set of P bearings that they could tell me the part number stamped on on the lowers?
Last edited by Speed; 12-02-2007 at 06:38 PM.
12-02-2007, 09:19 PM
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Naaa, every thing is straight on them. They are definitely the wrong lowers. I installed one and it is not only the wrong tab offset but the wrong diameter. Installed in the cap, it also sticks out about 3/16th of an inch through the circumference. Good stuff! I guess I'm going to call Clevite tomorrow and see what this lower actually is..
12-02-2007, 10:04 PM
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sometime bearings have a little bit of 'spring' to them, they need to be pushed down into the block/cap. Their is some tension their, are you sure you have them seated all the way?
12-03-2007, 04:13 PM
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You guys are going to love this..
I called Mahle/Clevite today. Just as an fyi, they have a stupid question form on their site for everything but if you want to talk to a real person, call (734)975-4777. Anyway, so I had them cross-reference the part numbers on the shells themselves. The upper set and both sides of the thrust bearing set are correct. The lower set is for a gen I 400 small block chevy!!!!! WTF lol
Anyway, just throwing that out there in case anyone was ever building a motor and thinks they are going crazy......
I called Mahle/Clevite today. Just as an fyi, they have a stupid question form on their site for everything but if you want to talk to a real person, call (734)975-4777. Anyway, so I had them cross-reference the part numbers on the shells themselves. The upper set and both sides of the thrust bearing set are correct. The lower set is for a gen I 400 small block chevy!!!!! WTF lol
Anyway, just throwing that out there in case anyone was ever building a motor and thinks they are going crazy......
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12-04-2007, 01:04 PM
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This sure gave me a good laugh. The same exact **** happened to me last year and I was so pissed. I ordered Clevite main and rod bearings from Scoggin Dickey and the main bearings were sticking out of the caps about 1/2 inch. I ended up going to Oreilly's and got a set of Federal Mogul/Sealed Power bearings.
12-04-2007, 03:40 PM
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That's funny. I've used Clevites in a lot of builds I've done and never had this happen. It's one of those things you know isn't right but you still go back and check and recheck because it's after 5 and there is no way you are going to get the parts replaced tonight.
Worked out because I called the machine shop I got them from and they got me a new set from their supplier that day. Some times, it's worth being local!
Worked out because I called the machine shop I got them from and they got me a new set from their supplier that day. Some times, it's worth being local!
